Question: Tell me about the codon that is encoded by glycine.
Paraphrase: Tell me about the glycine - encoded codon.
SPARQL (Wikidata):  select distinct ?obj where { wd:Q620730 wdt:P702 ?obj . ?obj wdt:P31 wd:Q165052 } 
Answer: GGA, GGU, GGC, GGG